问题
填空题
计算:(-5a2b)(-3a)=______;(x-3y)(-6x)=______.
答案
(-5a2b)(-3a)=15a3b;(x-3y)(-6x)=-6x2+18xy.
故答案为:15a3b;-6x2+18xy.
计算:(-5a2b)(-3a)=______;(x-3y)(-6x)=______.
(-5a2b)(-3a)=15a3b;(x-3y)(-6x)=-6x2+18xy.
故答案为:15a3b;-6x2+18xy.